290438456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12743}}^1$

素因数の和:12804

約数の個数: 64

約数和(自身を含む): 697351680

約数和(自身を除く): 406913224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 1036, 1628, 2072, 2849, 3256, 5698, 11396, 12743, 22792, 25486, 50972, 89201, 101944, 140173, 178402, 280346, 356804, 471491, 560692, 713608, 942982, 981211, 1121384, 1885964, 1962422, 3300437, 3771928, 3924844, 5186401, 6600874, 7849688, 10372802, 13201748, 20745604, 26403496, 36304807, 41491208, 72609614, 145219228, 290438456]

約数ペア:

[(1, 290438456), (2, 145219228), (4, 72609614), (7, 41491208), (8, 36304807), (11, 26403496), (14, 20745604), (22, 13201748), (28, 10372802), (37, 7849688), (44, 6600874), (56, 5186401), (74, 3924844), (77, 3771928), (88, 3300437), (148, 1962422), (154, 1885964), (259, 1121384), (296, 981211), (308, 942982), (407, 713608), (518, 560692), (616, 471491), (814, 356804), (1036, 280346), (1628, 178402), (2072, 140173), (2849, 101944), (3256, 89201), (5698, 50972), (11396, 25486), (12743, 22792)]